steve brown joins us live from chicago with more, steve? >> reporter: yeah, on monday we had 11 different hospitals in illinois, megyn, get put on bypass, means essentially all nonemergency cases deemed for a period of time not to go to this particular hospital and ambulance companies and emt's are alerted to that. those bypass last between four and 12 hours each, but this is an intermittent sort of situation that happens about 14 times a year, generally speaking, to hospitals, but it's happened to an awful lot of them all at once now and a lot of that is attributed to the flu. does that mean that if someone has the flu, cough, cold, a bad case they should go to the e.r. or check into the hospital? no, say doctors, unless it's coupled with something else. >> the best thing is, except for those that are young, healthy, not having other symptoms, not having any respiratory difficulties or not getting dehydrated, vomiting, uncontrolled, lightheadedness, and treat yourself with aggressive hydration, rest. >> reporter: now, the largest concentra